raiden00pl opened a new pull request, #16534:
URL: https://github.com/apache/nuttx/pull/16534
## Summary
- arch/stm32{f0l0g0|f7|h5|h7|l4}/stm32_adc.c: add support for batch DMA
transfer
Add an option that configure the number of regular group conversions
that will trigger a DMA callback transfering data to the upper-half
driver.
By default this value is 1 and the driver behaves the same as before
the change. Increasing this value allows to reduce the number of
DMA interrupts and achieve higher sampling rates.
DMA support for H5 and H7 is not complete so this change has no effect,
but for consistency they have also been modified.
## Impact
new configuration option
## Testing
stm32c0, stm32f3, stm32f4 with examples/adc
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